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Lente Canon CN20x50 IAS H/E1

CINE-SERVO 50-1000mm T5.0-8.9 EF



  • Ultra Telephoto 50-1000mm (75-1500mm with Built-In 1.5x Extender)
  • Amazingly High Zoom Ratio of 20x
  • 4K Optical Performance Throughout the 20x Zoom Range or Even When the 1.5x Extender is Used
  • Designed for Super35mm Large-Format Single-Sensor Cameras (Dia. 31.4mm)
  • Designed for Both Cinema Style and Broadcast Applications
  • 11-Blade Iris for Natural Out of Focus Background
  • Enhanced Servo Drive Unit with Various User Setting Capabilities
  • Slow Zoom Capability of 180 sec. or Quick Zoom of 1.5 sec. from Wide End to Tele End
  • Multiple Communication Capability with Compatible Cameras
  • 16-Bit Precise Metadata Output for Virtual Studio Systems
  • High Durability and Ruggedness
  • Available in PL or EF Mount, or Can be Swapped at an Authorized Service Facility


Model Name CN20x50 IAS H/E1
Mount EF
Zoom Ratio 20x
Built-In Optical Extender 1.5x
Focal Length 50-1000mm
75-1500mm (With 1.5x Extender)
Maximum Aperture T5.0 at 50-560mm
T8.9 at 1000mm
T7.5 at 75-840mm (With 1.5x Extender)
T13.35 at 1500mm (With 1.5x Extender)
Iris Blade 11
Angle of View Aspect Ratio 1.78:1 27.6° x 15.7° at 50mm
Dimensions 24.6x13.8mm 1.4° x 0.8° at 1000mm
18.6° x 10.5° at 75mm (With 1.5x Extender)
0.9° x 0.5° at 1500mm (With 1.5x Extender)
Aspect ratio 1.9:1 29.4° x 15.7° at 50mm
Dimensions 26.2x13.8mm 1.5° x 0.8° at 1000mm
19.8° x 10.5° at 75mm (With 1.5x Extender)
1.0° x 0.5° at 1500mm (With 1.5x Extender)
M.O.D (from Image Plane) 3.5m / 11.5'
Object Dimensions at MOD Aspect Ratio 1.78:1 139.3 x 78.1cm at 50mm
Dimensions 24.6x13.8mm 7.3 x 4.1cm at 1000mm
92.9 x 52.1cm at 75mm (With 1.5x Extender)
4.9 x 2.7cm at 1500mm (With 1.5x Extender)
Aspect Ratio 1.9:1 148.3 x 78.1cm at 50mm
Dimensions 26.2x13.8mm 7.8 x 4.1cm at 1000mm
98.9 x 52.1cm at 75mm (With 1.5x Extender)
5.2 x 2.7cm at 1500mm (With 1.5x Extender)
Front Diameter Φ136mm
Approx. Size (WxHxL) 6.89 x 6.72 x 16.27in
(175 x 170.6 x 413.2mm)
Approx. Mass 14.55lbs
Pitch of Focus/Zoom/Iris Gear Focus: 0.8/0.5 Zoom: 0.5 Iris: 0.5

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